19821890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2281}}^1$

素因数の和:2378

約数の個数: 32

約数和(自身を含む): 39432960

約数和(自身を除く): 19611070

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2281, 4345, 4562, 8690, 11405, 22810, 25091, 50182, 125455, 180199, 250910, 360398, 900995, 1801990, 1982189, 3964378, 9910945, 19821890]

約数ペア:

[(1, 19821890), (2, 9910945), (5, 3964378), (10, 1982189), (11, 1801990), (22, 900995), (55, 360398), (79, 250910), (110, 180199), (158, 125455), (395, 50182), (790, 25091), (869, 22810), (1738, 11405), (2281, 8690), (4345, 4562)]